London Olympics (Aug. 5, 2012)

Runners pass by the Olympics flame on the first day of the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Daniel Ochoa De Olza)

Jennifer Abel of Canada dives during women's 3-meter springboard diving finals at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, Aug. 5, 2012. Abel took sixth in the event. (AP Photo/Mark J. Terrill)

Marc Houtzager, of the Netherlands, rides his horse Tamino in the equestrian show jumping team competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/David Goldman)

Andrea Baldini of Italy celebrates after his match against Yuki Ota of Japan in the gold medal match during the men's foil team fencing competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. Italy won the gold and Japan won the silver. (AP Photo/Andrew Medichini)

In this photo taken with a fisheye lens, Kenya's Ezekiel Kemboi clears the obstacle in the men's 3000-meter steeplechase final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Matt Dunham)

United States' Sanya Richards-Ross, left, is embraced by United States' Deedee Trotter after she won gold in the women's 400-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip)

Britain's Andy Murray celebrates after defeating Switzerland's Roger Federer to win the men's singles gold medal match at the All England Lawn Tennis Club at Wimbledon.

Serena Williams, left, and Venus Williams of the United States laugh together on the podium after receiving their gold medals in women's doubles at the All England Lawn Tennis Club in Wimbledon, London at the 2012 Summer Olympics, Sunday, Aug. 5, 2012. (AP Photo/Elise Amendola)

South Africa's Oscar Pistorius runs in one of the men's 400-meter semifinal races during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Lee Jin-man)

A Jamaica supporter reacts as she watches a broadcast of the men's 100-meter semifinals on a screen at the Puma Yard in London during the 2012 Summer Olympics, Sunday, Aug. 5, 2012. (AP Photo/Emilio Morenatti)

Goalkeeper Victoria Brown of Australia, left, reacts with teammates after they tied the score 13-13 during their women's water polo quarterfinal match against China at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. The teams tied 14-14 at end of regulation before heading into extra time. (AP Photo/Julio Cortez)

An image of Jamaican sprinter Usain Bolt is projected on the Parliament building at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. Bolt overwhelmed a star-studded field Sunday to win the 100-meters in 9.63 seconds, an Olympic record that let him join Carl Lewis as the only men with consecutive gold medals in the marquee track and field event at the Summer Games. (AP Photo/Gregory Bull)